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发明名称
A PROP FOR STRAIGHT LINING
摘要
申请公布号
PL114046(U1)
申请公布日期
2004.11.02
申请号
PL20030114046U
申请日期
2003.04.24
申请人
GLOWNY INSTYTUT GORNICTWA
发明人
GRODZICKI MAREK;KOWALSKI EDWARD;LASICZ ROMAN;NAWROT JERZY;ROTKEGEL MAREK;TREFFLER MAREK;WOJCIECHOWSKI WIESLAW
分类号
E21D15/00;(IPC1-7):E21D15/00
主分类号
E21D15/00
代理机构
代理人
主权项
地址
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